package cn.itcast.demo;

public class OrderDemo1 {
    public static void main(String[] args){
        System.out.println("程序开始执行");
        System.out.println("A");
        System.out.println("B");
        System.out.println("C");
        System.out.println(10 + 20 + "hello");
        System.out.println("程序执行结束");
    }
}
